| Mantinga UAB 🇱🇹 Marijampolė | 🇱🇹LT· Marijampolė | | Pending |
| Marabou 🇸🇪 Upplands Väsby | 🇸🇪Sweden· Upplands Väsby | | Pending |
| Mariage Frères 🇫🇷 Paris | 🇫🇷France· Paris | | Pending |
| Marie SAS 🇫🇷 Rungis | 🇫🇷France· Rungis | | Pending |
| Markal 🇫🇷 Saint-Marcel-lès-Valence | 🇫🇷France· Saint-Marcel-lès-Valence | Beverages Confectionery Cereals +7 | Pending |
| Martin Bauer GmbH & Co. KG 🇩🇪 Vestenbergsgreuth | 🇩🇪Germany· Vestenbergsgreuth | | Pending |
| Massimo Zanetti Beverage Group 🇮🇹 Treviso | 🇮🇹Italy· Treviso | | Pending |
| Masterfoods Ltd. 🇬🇧 Slough | 🇬🇧United Kingdom· Slough | | Pending |
| Materne 🇫🇷 Boué | 🇫🇷France· Boué | — | Pending |
| Mazola Foods Limited 🇬🇧 North Yorkshire | 🇬🇧United Kingdom· North Yorkshire | | Pending |
| Meggle AG 🇩🇪 Wasserburg am Inn | 🇩🇪Germany· Wasserburg am Inn | Dairy Dairy alternatives Health food | Pending |
| Meira Oy 🇫🇮 Vantaa | 🇫🇮Finland· Vantaa | | Pending |
| Mekkafood GmbH 🇩🇪 Kempen | 🇩🇪Germany· Kempen | | Pending |
| Melitta 🇩🇪 Minden | 🇩🇪Germany· Minden | | Pending |
| MELVIT S.A. 🇵🇱 Warsaw | 🇵🇱Poland· Warsaw | | Pending |
| Merrild Kaffe ApS 🇩🇰 Noerresundby | 🇩🇰Denmark· Noerresundby | | Pending |
| Micarna SA 🇨🇠Courtepin | 🇨ðŸ‡Switzerland· Courtepin | | Pending |
| Michel et Augustin S.A.S. 🇫🇷 Boulogne-Billancourt | 🇫🇷France· Boulogne-Billancourt | Bakery Snacks Confectionery | Pending |
| Midori Tea 🇳🇱 Amsterdam | 🇳🇱Netherlands· Amsterdam | — | Pending |
| Migros-Genossenschafts-Bund 🇨🇠Zurich | 🇨ðŸ‡Switzerland· Zurich | | Pending |
| Milka 🇩🇪 Lörrach | 🇩🇪Germany· Lörrach | — | Pending |
| Milupa GmbH 🇩🇪 Bad Homburg | 🇩🇪Germany· Bad Homburg | | Pending |
| Mizkan Euro Ltd. 🇬🇧 Runcorn | 🇬🇧United Kingdom· Runcorn | | Pending |
| Mlekovita 🇵🇱 Wysokie Mazowieckie | 🇵🇱Poland· Wysokie Mazowieckie | — | Pending |